I'm not sure I understand your comment. First, Happy's solution started with "Draw a right triangle." Second, trig is not restricted to right triangles. Trigonometry has to do with the sides and angles of any triangle, not just right triangles. Later!
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re(2): Solution
